
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head>

    <style type="text/css">
        *{
        margin();
        }

        #box{
            position: absolute;
            left: 50%;
            top: 50%;
            transform: translate(-50%,-50%);
        }


    </style>

</head>
<body>
<div id="box">

    <div style="font-size: 50px;">
        发生问题，请稍后再试
    </div>

</div>








</body>
</html>
